MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b799063aa6a0a79e4a160b4650dc3199ebe128d1a183de4591e03a0b29674f1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


AgentTesla


Vendor detections: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b799063aa6a0a79e4a160b4650dc3199ebe128d1a183de4591e03a0b29674f1
SHA3-384 hash: a0b294b77d77187db49234cf95a74d5775f4b3cce0f6d1b18b168b2592c28a7e69028209f6ccdca82495afe3b61fca85
SHA1 hash: 3ce876b96600c4d0252c73fa97c4ed0764b29503
MD5 hash: a93062ea78a516e011dfd18d4c462c87
humanhash: alanine-cat-indigo-finch
File name:Richardson Electronics, LTD. PRD10221301UUE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:6'656 bytes
First seen:2024-09-27 13:59:47 UTC
Last seen:2024-09-27 14:27:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 96:Ey0sGxi1iavaSmlsXmMHuptEknfR5M+8lpoFvbOElQouRzNt:vRZvaDa2eu/lffAoBbOcQlz
Threatray 2'926 similar samples on MalwareBazaar
TLSH T15AD1EA04E3D8C33BD9B78B79ACB357000379E7229D6BEB6D2DC4522A6D177900A61771
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
387
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Richardson Electronics, LTD. PRD10221301UUE.exe
Verdict:
Malicious activity
Analysis date:
2024-09-27 14:06:34 UTC
Tags:
stealer agenttesla ftp exfiltration
Link:
https://app.any.run/tasks/58751ee3-9679-4764-94ec-24e257b7788f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.BackdoorX-gen.6696.6669.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f6ba6879032805ce8e7d37
Tags:
Stealth Heur Backdoor Micro Tori
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
89%
Link:
https://www.filescan.io/uploads/66f6ba68f71b9c224c13a60f/reports/52036da2-f56c-43fa-94f2-52d07e5b1bfd/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3b799063aa6a0a79e4a160b4650dc3199ebe128d1a183de4591e03a0b29674f1
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/270354d3-beba-4511-8368-4857b2e8f731
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1520579
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1520579 Sample: Richardson Electronics, LTD... Startdate: 27/09/2024 Architecture: WINDOWS Score: 100 30 wymascensores.com 2->30 32 ftp.alternatifplastik.com 2->32 46 Suricata IDS alerts for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 7 Richardson Electronics, LTD. PRD10221301UUE.exe 16 4 2->7         started        12 Eggdjjrhey.exe 14 2 2->12         started        14 Eggdjjrhey.exe 2 2->14         started        signatures3 process4 dnsIp5 34 wymascensores.com 67.212.175.162, 443, 49710, 49715 SINGLEHOP-LLCUS United States 7->34 24 C:\Users\user\AppData\...ggdjjrhey.exe, PE32 7->24 dropped 26 C:\Users\...ggdjjrhey.exe:Zone.Identifier, ASCII 7->26 dropped 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 56 Writes to foreign memory regions 7->56 58 Allocates memory in foreign processes 7->58 16 InstallUtil.exe 14 2 7->16         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 Injects a PE file into a foreign processes 12->64 20 InstallUtil.exe 2 12->20         started        22 InstallUtil.exe 14->22         started        file6 signatures7 process8 dnsIp9 28 ftp.alternatifplastik.com 5.2.84.236, 21, 49712, 49713 ALASTYRTR Turkey 16->28 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->36 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->38 40 Tries to steal Mail credentials (via file / registry access) 22->40 42 Tries to harvest and steal ftp login credentials 22->42 44 Tries to harvest and steal browser information (history, passwords, etc) 22->44 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b799063aa6a0a79e4a160b4650dc3199ebe128d1a183de4591e03a0b29674f1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b799063aa6a0a79e4a160b4650dc3199ebe128d1a183de4591e03a0b29674f1/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-09-27 09:07:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hn4zay5knifhtzfbmc2gkdoddgpl4eundimd3zczdyb2bmuwotyq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
agenttesla_v4
Create hunting rule
Similar samples:
0b8698357d915b97225ab82204e9b4faf9b291286dc595edf2f5798627a11bd6
AgentTesla
16d9783e034d3ff5012dbf7ffa092edaafc47fdf8db16142b7128962c844251c
AgentTesla
182b161a951229364aef6e16d358beb00f285c9f146053471ad22e714eefa719
AgentTesla
2debf2cfc6d46684b470e7be05a95b5de3675f16b61b07a23469d1b61b29a6fc
AgentTesla
7066dbf6670704e8c1488d1b4ba63a75c239dc99cb7701a2bdd1154cd330521c
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92a3d5b50db0cd8d8328faf9d2ce8f583d6fc20e81c03b1a99836bd58558a892
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ae32cc3e1a68afcb91062da04f99d65ddc9ed3feff5c95c99f2bd1487a9b3006
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f332602d5b75b204e97c0722e078a4f87567981731e4b13eb45b521607eedff2
AgentTesla
+ 2'916 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla discovery keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240927-razzdayblb/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
agent_tesla
YARA:
n/a
Link:
https://app.threat.zone/submission/8a785d81-0590-40b4-b4e3-429189a9633f
Unpacked files
SH256 hash:
3b799063aa6a0a79e4a160b4650dc3199ebe128d1a183de4591e03a0b29674f1
MD5 hash:
a93062ea78a516e011dfd18d4c462c87
SHA1 hash:
3ce876b96600c4d0252c73fa97c4ed0764b29503
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/75f49a9f-a0cd-4a67-b4f2-5277a6d79772/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b799063aa6a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/3b799063aa6a0a79e4a160b4650dc3199ebe128d1a183de4591e03a0b29674f1

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MSIL_TinyDownloader_Generic
Create hunting rule
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 3b799063aa6a0a79e4a160b4650dc3199ebe128d1a183de4591e03a0b29674f1

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments